Gonyaulacysta irmoechinata

"irmoechinata" (Heisecke, 1970, p.230, pl.1, fig.3; pl.2, figs.2-3) Lentin and Williams, 1976, p.41.  Holotype: Heisecke, 1970, pl.1, fig.3; pl.2, figs.2-3.  NOW Spinidinium?.  Originally Deflandrea, subsequently Gonyaulacysta, thirdly (and now) Spinidinium?.  Age: Early Paleocene.

Parent: Gonyaulacysta